D it wAs was the lack of congress support
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Answer:
Wolves are animals who usually eat dead animals, so they clear the forests of dead corpses. When wolves were brought back to the park, they not only killed elk, but also changed their prey's behavior patterns. The herbivores started to avoid areas like valleys and gorges where they could be easily hunted by predators. Deer and elk populations increased substantially, resulting in overgrazing, particularly of willows and other vegetation important to soil and riverbank structure, leaving the landscape vulnerable to erosion. Without wolves, the entire ecosystem of the park suffered.
During the 1930's Britain and France were too scared to respond to the fascist aggression as they didn't;t want another war ads a. they didn't have enough money as the Great Depression had just hit, b. they didn't have a powerful military as they had destroyed half of there machines and only had a militia around the world to control there colonies franc was mostly the same but it did have a defensive line along the border of France and Germany called the Gustav line but as we know it didn't really work.
Answer:
The Louisiana purchase
Explanation:
with more land, slaves and travelers settled in